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290793 = 396931
BaseRepresentation
bin1000110111111101001
3112202220010
41012333221
533301133
610122133
72320536
oct1067751
9482803
10290793
11189528
12120349
13a2489
1477d8d
155b263
hex46fe9

290793 has 4 divisors (see below), whose sum is σ = 387728. Its totient is φ = 193860.

The previous prime is 290791. The next prime is 290803. The reversal of 290793 is 397092.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 290793 - 21 = 290791 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 290793.

It is not an unprimeable number, because it can be changed into a prime (290791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48463 + ... + 48468.

It is an arithmetic number, because the mean of its divisors is an integer number (96932).

2290793 is an apocalyptic number.

It is an amenable number.

290793 is a deficient number, since it is larger than the sum of its proper divisors (96935).

290793 is an equidigital number, since it uses as much as digits as its factorization.

290793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96934.

The product of its (nonzero) digits is 3402, while the sum is 30.

The square root of 290793 is about 539.2522600787. The cubic root of 290793 is about 66.2513373410.

The spelling of 290793 in words is "two hundred ninety thousand, seven hundred ninety-three".

Divisors: 1 3 96931 290793